The Jielü zong （Kor. Kyeyul chong）， or Vinaya sect， also known in Japan simply as Risshu^ 律宗. This school， based on the Maha^ya^na vinaya was founded by Daoxuan 道宣， who taught that the observance of the precepts was the best path to liberation. The vinaya branch of Buddhist studies， especially active during the early periods of transmission of Buddhism in East Asia， the members of which specialized in researching and interpreting the Buddhist codes of discipline， called vinaya 戒律（see above）. In Korea